'Working a Monkey Board': The First 50 Years of Spacewalking (Part 1)

Five decades have now passed since humanity’s first foray beyond the confines of their pressurized spacecraft and into the airless void beyond. Photo Credit: NASA

Fifty years ago, today, on 18 March 1965, a 30-year-old Soviet cosmonaut named Alexei Leonov became the first human in history to depart the confines of his spacecraft in […]

Sierra Nevada Proposes Unmanned Dream Chaser Space Plane for Space Station Resupply

Unmanned version of Sierra Nevada Corporation Dream Chaser space plan proposal for NASA cargo resupply contract docks at the International Space Station. Credit: Sierra Nevada Corporation See video below

Sierra Nevada Corporation (SNC) is vigorously pushing ahead with an unmanned cargo version of their Dream Chaser space plane that is aimed at fulfilling NASA’s […]

'Off On the Right Foot': Expedition 43 Underway at Space Station

Under the command of Terry Virts (far right), Expedition 43 will continue until mid-May. From left are Gennadi Padalka, Scott Kelly, Anton Shkaplerov, Samantha Cristoforetti, Mikhail Kornienko and Virts. Photo Credit: NASA

Only a week after the safe return to Earth of Soyuz TMA-14M and its crew of Russian cosmonauts Aleksandr Samokutyayev and Yelena […]

Lockheed Proposes Dual Use ‘Jupiter’ Space Freighter for Station Resupply and Deep Space Exploration

Artist’s concept shows Jupiter spacecraft and Exoliner cargo carrier with NASA’s Orion crew capsule in a Lockheed Martin dual use conceptual proposal for commercial missions to resupply the International Space Station (ISS) and deep space exploration missions to the Moon and Mars. Credit: Lockheed Martin

KENNEDY SPACE CENTER, FL — The competition for NASA’s next […]

Cassini Finds Evidence for Hydrothermal Activity on Saturn's Moon Enceladus

Cutaway view depicting the interior of Enceladus. Water, salts, organics, and methane make their way from the hydrothermal vents on the ocean bottom to the surface through cracks in the icy crust, erupting as geysers. Image Credit: NASA/JPL

The deep oceans on Earth are teeming with life, despite the cold and darkness, thanks to […]

ULA Delivers Four-Spacecraft Flotilla on Magnetospheric Multiscale Mission

United Launch Alliance (ULA) has successfully flown its highly reliable Atlas V booster out of Cape Canaveral Air Force Station, Fla., to deliver the four-spacecraft flotilla of NASA’s Magnetospheric Multiscale Mission (MMS) into a Highly Elliptical Orbit (HEO) to explore the microphysics of “magnetic reconnection,” a process which converts magnetic energy into heat and […]

Atlas V Ready for Thursday Night Launch to Deliver NASA's Magnetospheric Multiscale Mission (MMS) to Orbit

Two of four mated NASA’s Magnetospheric Multiscale (MMS) observatories up close look at solar arrays and science instruments in the cleanroom at NASA’s Goddard Space Flight Center in Greenbelt, Md., on May 12, 2014. Credit: Ken Kremer/kenkremer.com

United Launch Alliance (ULA) stands ready to conduct its third mission in as many months on the […]

NASA's MMS Fleet and the Science of Magnetic Reconnection

Artist concept of MMS, a mission to study how magnetic fields release energy in a process known as magnetic reconnection. MMS consists of four identical observatories that will fly in a tight formation and provide the first three-dimensional view of magnetic reconnection. Photo Credit: NASA

Artist’s concept of MMS, a mission to study how magnetic fields release energy in a process known as magnetic reconnection. MMS consists of four identical observatories that will fly in a tight formation and provide the first 3-D view of magnetic reconnection. Photo Credit: NASA

Another NASA mission is about to blast into the magnetosphere. […]

New Technique to Study Clouds on Exoplanets Developed by Researchers at MIT

Artist’s conception of clouds on Kepler-7b. Image Credit: NASA (edited by Jose-Luis Olivares/MIT)

While exoplanets are now being discovered by the thousands, it is still a painstaking process to determine any specific details about them, since they are so incredibly far away. However, astronomers have been devising new techniques to do just that, including […]

The Coming of SMAP, Part Two: SMAP, Aquarius, and Our Planet’s Water Cycle

The launch of NASA’s latest Earth Science mission, the Soil Moisture Active Passive (SMAP) mission, atop a United Launch Alliance Delta-II rocket from Vandenberg Air Force Base, Calif., on Jan. 31, 2015. Photo Credit: Mike Killian / AmericaSpace

Story and Interviews by Chris Howell, with: Dr. Simon Yueh, JPL SMAP Senior Research Scientist Dr. […]